Sams Teach Yourself Microsoft® Windows® DNA Programming in 21 Days

Day 15. A Rich Native Windows Client

Today, you will build a rich Visual Basic presentation layer. When most people think of developing an Internet application, they assume that the Web browser is the only user interface available. This is not the case, and, in fact, the Windows DNA platform works very well with the standard Windows executable applications that you are used to developing. The important thing to remember is that the client in this model is for presentation and emissary processing only. All business and data processing should occur at the other two tiers. The issue then becomes, how do you connect to these services? Microsoft has provided four technologies for doing this:

• Windows Sockets (WinSock)

• Distributed COM (DCOM)

• Remote Data ...